Implement scopes on models and support interacting with them via ModelBuilder

src/util/collection/Iterable.ts

@@ -1,4 +1,5 @@
 import {Collection} from './Collection'
+import {InjectionAware} from '../../di'
 
 export type MaybeIterationItem<T> = { done: boolean, value?: T }
 export type ChunkCallback<T> = (items: Collection<T>) => any
@@ -9,7 +10,7 @@ export class StopIteration extends Error {}
  * Abstract class representing an iterable, lazy-loaded dataset.
  * @abstract
  */
-export abstract class Iterable<T> {
+export abstract class Iterable<T> extends InjectionAware {
     /**
      * The current index of the iterable.
      * @type number